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8 April, 11:17

Solve the equation. 78 = - 2 (m + 3) + m A. - 28 B. - 42 C. - 72 D. - 84

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  1. 8 April, 14:05
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    78 = - 2 (m + 3) + m

    78 = - 2m - 6 + m

    78 = - m - 6 |add 6 to both sides

    84 = - m

    m = - 84
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